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Fig. 6 | World Journal of Surgical Oncology

Fig. 6

From: Prognostic significance of blood-based PD-L1 analysis in patients with non-small cell lung cancer undergoing immune checkpoint inhibitor therapy: a systematic review and meta-analysis

Fig. 6

Forest plots of the correlation between exoPD-L1 and PFS in patients undergoing ICI therapy. a: exoPD-L1 expression versus PFS; Wang (2022a) represented the pre-treatment data with mono-immunotherapy; Wang (2022b) represented the pre-treatment data with combination immunotherapy; Wang (2022c) represented the upregulation in the post-treatment data with mono-immunotherapy; Wang (2022d) represented the upregulation in the post-treatment data with combination immunotherapy. b: Subgroup analysis of exoPD-L1 (pre-treatment and post-treatment dynamic changes) and PFS after different treatment durations

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